Finding the Fourth Proportional to 207,597,613.80, 311,183,844.30 and 121,291,595.40
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Solution
The fourth proportional to 207,597,613.80, 311,183,844.30 and 121,291,595.40 is: 181,813,192.58
Step by Step Solution
- Step 1: Write the proportion equation
207,597,613.80 : 311,183,844.30 = 121,291,595.40 : x - Step 2: Convert to fraction form
207,597,613.80/311,183,844.30 = 121,291,595.40/x - Step 3: Cross multiply
207,597,613.80x = 311,183,844.30 × 121,291,595.40 - Step 4: Simplify right side
207,597,613.80x = 37,743,984,937,852,200 - Step 5: Solve for x
x = 37,743,984,937,852,200/207,597,613.80 - Step 6: Final answer
x = 181,813,192.58
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.